The clinical diagnosis of the prostate cancer by transrectal ultrasonography / 中国癌症杂志

ABSTRACT

Purpose：To evaluate the use of transrectal ultrasonography in diagnosis of prostate cancer.Methods：A high-frequency probe was used to examine 56 cases of prostate cancer transrectally and the sonographic features were analyzd. Results：On Trus image lesions were located in peripheral zone in 48(76.8%), transition zone in 8 (14.3%),and central zone in 5 (8.9%). 45 cases (80.4%) of the prostate cancer were hypoechoic,4(7.1%) were hyperechoic, 5(8.9%) had mixed echogenicity and 2 (3.6%)showed isoechoic appearance. Indirect signs represented prostatic asymmetry,intermittent capsular and dilation or disappear of the seminal vesicles.Conclusions：TRUS is imperative in the diagnosis and staging of prostate cancer.